<div class="mainBg"></div>
<div class="main"> <img src="imgs/logo.png" class="logo"/><img src="imgs/logo.png" class="logoHidden">
  <div class="shareBox">
    <div id="qrcode" class="qrcodeBox"></div>
    <div class="buttonBox">
      <button type="button" name="button" ng-click="sd.back()" class="button">返回</button>
    </div>
</div>
</div>
